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Business and Presentation (Tables)
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12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2014
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| Organization, Consolidation and Presentation of Financial Statements [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Exit Activities [Table Text Block] | The discontinuance of this development program is considered an exit activity. As such, we recognized the following expenses in the second and third quarters of 2014:
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| Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] | The assumptions used in the model for the LTIP and EIP are summarized in the following table:
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